Question: What is the {satellite} of the {star} {Triton}?
Paraphrase: What satellites the star Triton?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q3359 wdt:P397 ?X . ?X wdt:P398 ?answer}
Answer: moon of Neptune, Triton, Naiad, Nereid, Proteus, Thalassa, Despina, Galatea, Larissa, Halimede, Sao, Laomedeia, Psamathe, Neso, rings of Neptune, Adams ring, Arago ring, Galle ring, Lassell ring, Le Verrier ring, Courage arc, Égalité 2, Égalité 1, Fraternité, Liberté, Hippocamp